Online violence against female journalists is one of the most serious global threats to press freedom and has contributed to female reporters being murdered, a new global report has found.

Many children start bullying others without the knowledge of the consequences, not realising that their actions may be hurtful, as the actions often leave them with a feeling of authority over others.

Around 32 percent children in Bangladesh, aged between 10 and 17, face cyberbullying, violence and harassment online, according to a survey.